Vulnerability-Lookup

GHSA-WG4G-WM44-CH5J

Vulnerability from github – Published: 2026-07-31 22:06 – Updated: 2026-07-31 22:06

Summary

Pion DTLS vulnerable to denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Details

Impact

Remote denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message.

Patches

Upgrade to v3.1.4 or later. This version includes this patch https://github.com/pion/dtls/pull/839 which fixes the issue.

Workarounds

No work around; please upgrade to v3.1.4 or a newer version.

Severity

6.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.1.2"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/pion/dtls/v3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-54908"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-07-31T22:06:33Z",
    "nvd_published_at": "2026-07-01T20:17:10Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nRemote denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message.\n\n### Patches\nUpgrade to v3.1.4 or later. This version includes this patch https://github.com/pion/dtls/pull/839 which fixes the issue.\n\n### Workarounds\nNo work around; please upgrade to v3.1.4 or a newer version.",
  "id": "GHSA-wg4g-wm44-ch5j",
  "modified": "2026-07-31T22:06:33Z",
  "published": "2026-07-31T22:06:33Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pion/dtls/security/advisories/GHSA-wg4g-wm44-ch5j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54908"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pion/dtls/pull/839"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pion/dtls/commit/49458d604a4f3ebce1bf9587a0f3e5f3f6b4a55e"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pion/dtls"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pion/dtls/releases/tag/v3.1.3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Pion DTLS vulnerable to denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message"
}

CVE-2026-54908 (GCVE-0-2026-54908)

Vulnerability from cvelistv5 – Published: 2026-07-01 19:34 – Updated: 2026-07-02 15:54

Title

Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message

Summary

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4 are vulnerable to Remote Denial of Service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message. This issue has been fixed in version 3.1.4.

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-02 15:27 UTC

CWE

CWE-125 - Out-of-bounds Read
CWE-248 - Uncaught Exception

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/pion/dtls/security/advisories/…	x_refsource_CONFIRM
https://github.com/pion/dtls/pull/839	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
pion	dtls	Affected: < 3.1.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-54908",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-02T15:27:03.932168Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-02T15:54:54.578Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "dtls",
          "vendor": "pion",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.1.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Pion DTLS is a Go implementation of Datagram Transport Layer Security. Versions prior to 3.1.4 are vulnerable to Remote Denial of Service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message. This issue has been fixed in version 3.1.4."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-248",
              "description": "CWE-248: Uncaught Exception",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-01T19:34:24.014Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pion/dtls/security/advisories/GHSA-wg4g-wm44-ch5j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pion/dtls/security/advisories/GHSA-wg4g-wm44-ch5j"
        },
        {
          "name": "https://github.com/pion/dtls/pull/839",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pion/dtls/pull/839"
        }
      ],
      "source": {
        "advisory": "GHSA-wg4g-wm44-ch5j",
        "discovery": "UNKNOWN"
      },
      "title": "Pion DTLS: Denial of service via panic while parsing a crafted ECDHE_PSK ServerKeyExchange message"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54908",
    "datePublished": "2026-07-01T19:34:24.014Z",
    "dateReserved": "2026-06-16T13:49:33.556Z",
    "dateUpdated": "2026-07-02T15:54:54.578Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.